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olga55 [171]
3 years ago
5

The table shows how an elevator 500 feet above the ground is descending at a steady rate.

Mathematics
1 answer:
lapo4ka [179]3 years ago
7 0

Answer:

h(t) = -5t + 500

Step-by-step explanation:

At time zero, the elevator is at 500 ft.

At time 5 seconds, the elevator is at 475 ft.

The difference in height is -25 ft.

The elevator traveled -25 ft (25 ft down) in 5 seconds, so it travels at a speed of 5 ft per second. Since it is traveling down, its speed is -5 ft/sec.

For each second of travel, it loses 5 ft of height.

h(t) = -5t + 500

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Is Figure B a scale copy of Figure A?
kari74 [83]

Answer:

No.

Step-by-step explanation:

The ratio of the lengths of the vertical sides from A to B is 2/4 which equals 1/2.

The ratio of the lengths of the horizontal sides of A to B is 4/11.

Since 4/11 is not equal to 1/2, figure B is not a scale copy of figure A.

5 0
2 years ago
A company that makes​ hair-care products had 3000 people try a new shampoo. Of the ​people, 3000 had a mild allergic reaction. W
LenaWriter [7]

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100%

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3 years ago
Use distributive property to write an expression that is equivalent to each expression. 8(-x-1/2)
charle [14.2K]

Answer:

The distributive property teaches us how to properly multiply in examples like the answer I have given.

In my example : 2 * (4 + 12x) = 8 + 24x

We would take the 2 that is on the outside of the equation in the parenthesis and multiply it first with the 4, and then with the 12x. This results in 8 + 24x.  

A simplified version would be to just remove the x.  

When we do that we see that 8 + 24 is equal to 32.

What it also demonstrates is that:

2 * (4 + 12) is the same as saying 8 + 24, both equal 32.

<h2><em>so saying that you have to find something to be equal to your equation. hope it helps.</em></h2>
5 0
3 years ago
The equation of a circle centered at the orgin is x^2 + y^2 = 16. What is the radius of the circle
Yuri [45]

Given:

The equation of the circle is:

x^2+y^2=16

To find:

The radius of the circle.

Solution:

The standard form of a circle is:

(x-h)^2+(y-k)^2=r^2              ...(i)

Where, (h,k) is the center and r is the radius.

We have,

x^2+y^2=16

In can be written as:

x^2+y^2=4^2                 ...(ii)

On comparing (i) and (ii), we get

h=0

k=0

r=4

Here, the center of the circle is the origin and the radius is equal to 4 units.

Therefore, the radius of the given circle is 4 units.

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3 years ago
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iogann1982 [59]

Answer:

thats kind ur fault

Step-by-step explanation:

8 0
3 years ago
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